:root{--paper:#faf9f7;--paper-2:#f3f1ed;--card:#fff;--ink:#15171c;--ink-soft:#5f636b;--ink-faint:#8b8f96;--rule:#e9e6e1;--rule-strong:#d9d5ce;--pen:#3346d3;--pen-soft:#eef0fc;--marker:#f2d36b;--marker-soft:#fbf3d6;--radius-lg:18px;--radius-md:12px;--radius-sm:8px;--shadow-sm:0 1px 2px #15171c0d;--shadow-md:0 1px 2px #15171c0a, 0 12px 32px -12px #15171c24;--shadow-lg:0 1px 2px #15171c0a, 0 30px 60px -24px #15171c38;--display:"Instrument Serif", "Iowan Old Style", Georgia, serif;--body:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--step--1:.875rem;--step-0:1.0625rem;--step-1:1.25rem;--step-2:clamp(1.9rem, 3.2vw, 2.4rem);--step-3:clamp(2.4rem, 4.6vw, 3.4rem);--step-4:clamp(3rem, 7vw, 5.4rem)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--paper);color:var(--ink);font:400 var(--step-0) / 1.65 var(--body);-webkit-font-smoothing:antialiased;font-feature-settings:"cv11", "ss01";margin:0}a{color:var(--pen);text-underline-offset:3px;text-decoration-thickness:1px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--pen);outline-offset:3px;border-radius:6px}h1,h2{font-family:var(--display);letter-spacing:-.015em;margin:0 0 .45em;font-weight:400;line-height:1.04}h1{font-size:var(--step-4)}h2{font-size:var(--step-3)}h1 em,h2 em{color:var(--pen);font-style:italic}h3{font:600 var(--step-1) / 1.3 var(--body);letter-spacing:-.01em;margin:0 0 .4em}p{max-width:64ch;margin:0 0 1em}.wrap{width:min(1160px,100% - 48px);margin-inline:auto}.narrow{width:min(760px,100% - 48px);margin-inline:auto}.lede{font-size:var(--step-1);color:var(--ink-soft);line-height:1.55}.muted{color:var(--ink-soft)}.small{font-size:var(--step--1)}.eyebrow{font:500 .78rem / 1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);align-items:center;gap:8px;margin:0 0 18px;display:inline-flex}.eyebrow:before{content:"";background:currentColor;width:18px;height:1px}.mark{background:linear-gradient(transparent 62%, var(--marker-soft) 62%);padding:0 2px}.site-header{z-index:30;-webkit-backdrop-filter:saturate(160%)blur(14px);background:#faf9f7d1;border-bottom:1px solid #0000;transition:border-color .2s;position:sticky;top:0}.site-header.scrolled{border-bottom-color:var(--rule)}.site-header .wrap{justify-content:space-between;align-items:center;gap:24px;height:68px;display:flex}.logo{color:var(--ink);font:600 1.06rem / 1 var(--body);letter-spacing:-.02em;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.logo-text span{color:var(--ink)}.nav{align-items:center;gap:28px;display:flex}.nav a{color:var(--ink-soft);font-size:.92rem;text-decoration:none;transition:color .15s}.nav a:hover{color:var(--ink)}.nav a.button{color:#fff;padding:9px 18px;font-size:.88rem}@media (width<=760px){.nav a:not(.button){display:none}}.button{background:var(--ink);color:#fff;font:500 .95rem / 1 var(--body);border:1px solid var(--ink);box-shadow:var(--shadow-sm);border-radius:999px;align-items:center;gap:8px;padding:13px 22px;text-decoration:none;transition:background .2s,transform .2s,box-shadow .2s;display:inline-flex}.button:hover{box-shadow:var(--shadow-md);background:#2a2d35;transform:translateY(-1px)}.button.ghost{background:var(--card);color:var(--ink);border-color:var(--rule-strong)}.button.ghost:hover{border-color:var(--ink);background:var(--card)}.button .arrow{transition:transform .2s}.button:hover .arrow{transform:translate(3px)}section{padding:112px 0}.rule-top{border-top:1px solid var(--rule)}.tint{background:var(--paper-2);border-block:1px solid var(--rule)}.section-head{max-width:720px;margin-bottom:56px}.section-head.center{text-align:center;margin-inline:auto}.section-head.center p{margin-inline:auto}@media (width<=760px){section{padding:80px 0}.section-head{margin-bottom:40px}}.tag{font:500 .7rem / 1 var(--body);letter-spacing:.04em;border:1px solid var(--rule-strong);color:var(--ink-soft);background:var(--card);white-space:nowrap;border-radius:999px;flex:none;padding:5px 9px;display:inline-block}.tag-starter{color:var(--pen);background:var(--pen-soft);border-color:#cdd3f6}.tag-growth{color:#5b3fc4;background:#f4f0fe;border-color:#dcd2f7}.tag-pro{color:#8a6100;background:var(--marker-soft);border-color:#efdca6}table{border-collapse:collapse;width:100%;font-size:var(--step--1)}th,td{text-align:left;border-bottom:1px solid var(--rule);padding:13px 12px}th{color:var(--ink-faint);letter-spacing:.02em;font-size:.8rem;font-weight:500}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.table-scroll{overflow-x:auto}.article h2{font-size:var(--step-2);margin-top:1.5em}.article h3{margin-top:1.4em}.article li{margin-bottom:.4em}.article blockquote{border-left:2px solid var(--pen);color:var(--ink-soft);font-family:var(--display);margin:1.5em 0;padding:4px 0 4px 20px;font-size:1.35rem;line-height:1.4}.site-footer{border-top:1px solid var(--rule);background:var(--paper);color:var(--ink-soft);font-size:var(--step--1);padding:72px 0 40px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr;align-items:start;gap:48px;display:grid}.footer-grid nav{flex-direction:column;gap:10px;display:flex}.footer-grid a{color:var(--ink-soft);text-decoration:none}.footer-grid a:hover{color:var(--ink)}.footer-title{color:var(--ink);margin:0 0 4px;font-weight:500}.footer-blurb{max-width:34ch;font-family:var(--display);color:var(--ink);margin:14px 0 0;font-size:1.35rem;line-height:1.3}.footer-base{border-top:1px solid var(--rule);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:56px;padding-top:22px;display:flex}@media (width<=760px){.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}.reveal{opacity:0;transition:opacity .8s,transform .8s;transform:translateY(14px)}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transition:none;transform:none}*,:before,:after{transition:none!important;animation:none!important}}